::-webkit-scrollbar {
    -webkit-appearance: none;
    width: 8px; /* width of vertical scrollbar */
    height: 8px; /* height of horizontal scrollbar */
}

::-webkit-scrollbar-thumb {
    border-radius: 8px;
    background-color: rgba(0, 0, 0, .6);
    -webkit-box-shadow: 0 0 1px rgba(0, 0, 0, .5);
}

.wr-countdown {
    margin-top: calc(50vh - 200px);
}

.wr-meeting {
    margin-top: calc(50vh - 120px);
}

.modal-dialog {
    width: 400px;
}

.wr-hidden {
    display: none;
}

.row-btn {
    margin-bottom: 15px;
}

.wr-video {
    width: 100%;
    height: calc(100vh - 136px);
    margin: auto;
}

.wr-chat {
    height: calc(100vh - 136px);
    overflow: auto;
    border-left: 1px solid #ccc;
}

.wr-chat-msg {
    margin-bottom: 15px;
    background: #FFF;
    padding: 10px;
    overflow: auto;
}

    .wr-chat-msg:empty {
        display: none;
    }

.form-control {
    font-size: 16px;
}

.txt-chat-msg {
    width: calc(100% - 64px);
    float: left;
    margin-right: 5px;
    border-right: none;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    font-size: 16px;
}

.share-backdrop {
    position: relative;
    z-index: 10;
}

    .share-backdrop.active:after {
        position: absolute;
        content: '';
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.8);
        z-index: 10;
    }

.stop-sharing {
    display: none;
    position: absolute;
    top: calc(50% - 10px);
    left: calc(50% - 52px);
    z-index: 100;
}

.share-backdrop.active .stop-sharing {
    display: block;
}

/* do exame */

.question img {
    max-width: 100%;
}

.question .q-nr {
    position: absolute;
    background: #fff;
    left: -1px;
    padding: 10px;
    border-top-right-radius: 35px;
    width: 70px;
    border-bottom-right-radius: 35px;
    text-align: center;
    font-size: 21px;
    top: 8px;
}

.question .q-name {
    margin-left: 80px;
    margin-top: 5px;
    font-weight: 500;
    line-height: 38px;
    font-size: 24px;
}

.answers .ans-opt {
    width: 18px;
    height: 18px;
}

.q-play {
    font-size: 30px;
    color: #FFF;
}

    .q-play:hover, .q-play:focus {
        color: #fff;
    }

    .q-play i {
        display: none;
    }

    .q-play .active {
        display: block;
    }

.position-relative {
    position: relative;
}

.exam-notify {
    top: -1px;
    border-radius: 50%;
    position: absolute;
    width: 14px;
    height: 14px;
    line-height: 14px;
    font-size: 8px !important;
    left: 14px;
}


#navbar .navbar-nav > li > a.active, #navbar .navbar-nav > li > a:hover {
    background: #ff9600 !important;
}

#top-info .dropdown.open .dropdown-menu {
    display: block !important;
    position: absolute;
}

@media screen and (max-width: 420px) {
    .modal-dialog {
        width: auto;
        margin-top: 50%;
    }

    .wr-video {
        height: auto;
    }

    .btn {
        margin-bottom: 5px;
    }

    .wr-chat {
        height: auto;
        padding-bottom: 30px;
    }
}